Update app.py

app.py

@@ -13,7 +13,9 @@ import gradio as gr
 import numpy as np
 from PIL import Image
 import torch
-from diffusers import AutoencoderKL, StableDiffusionXLPipeline, EulerAncestralDiscreteScheduler
+from diffusers import AutoencoderKL, StableDiffusionXLPipeline
+#from diffusers import EulerAncestralDiscreteScheduler
+from diffusers import DPMSolverMultistepScheduler
 #from diffusers import AutoencoderKL
 from typing import Tuple
 #from transformers import AutoTokenizer, AutoModelForCausalLM
@@ -117,7 +119,9 @@ def load_and_prepare_model(model_id):
         use_safetensors=True,
         vae=vae,
     )
-    sched = EulerAncestralDiscreteScheduler.from_config(pipe.scheduler.config, beta_schedule="scaled_linear", algorithm_type="sde-dpmsolver++")
+    #sched = EulerAncestralDiscreteScheduler.from_config(pipe.scheduler.config, beta_schedule="squaredcos_cap_v2",use_karras_sigmas=True, algorithm_type="dpmsolver++")
+    sched = DPMSolverMultistepScheduler.from_config(pipe.scheduler.config, beta_schedule="squaredcos_cap_v2",use_karras_sigmas=True, algorithm_type="dpmsolver++")
+    
     pipe.scheduler=sched
     #pipe.to(device=device, dtype=torch.bfloat16)
     pipe.to(device=device)